实时计算 Flink版状态清理的相关内容

阿里云文档 2024-08-14

清理过期数据

清理过期数据可以释放存储空间，优化资源利用并提升系统运行效率等。本文为您介绍如何清理Paimon表过期数据，包括调整快照文件过期时间、设置分区的过期时间、以及清理废弃文件。

问答 2021-12-06 来自：开发者社区

flink sql子查询状态清理不掉

大家好，我现在程序里面有像这样一段sql： select day, count(id), sum(v1) from ( select day ...

问答 2020-06-10 来自：开发者社区

FLink算子默认的状态保存多久？如果一直没有数据进来，状态会一直在吗，会不会被清理 #Flink

问答 2020-01-16 来自：开发者社区

Flink SQL 双流 Join ，默认永久保留状态，那么如何清理双流 Join 的状态呢？

Flink SQL 双流 Join ，默认永久保留状态，那么如何清理双流 Join 的状态呢？本问题来自阿里云开发者社区的【11大垂直技术领域开发者社群】。点击这里欢迎加入感兴趣的技术领域群。

问答 2018-12-14 来自：开发者社区

Flink键控状态清理增量rocksdb检查点

Flink键控状态清理增量rocksdb检查点我有一个flink工作，可以在rocksdb后端保持大键控状态。我们正在使用增量检查点策略。随着时间的推移，状态的规模成为一个问题。我们检查了状态ttl解决方案，但它不支持增量的rocksdb状态。如果我真的需要增量检查点，那么这个问题的最佳方法是什么？

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更新时间 2023-01-02 17:06:10

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实时计算Flink版

阿里云实时计算Flink版(Alibaba Cloud Realtime Compute)，完全兼容开源的Apache Flink，比开源性能提升2～3倍，提供了完整的告警、监控、日志的解决方案、提升开发效率且无运维成本，并有社区专家提供技术支持。

立即开通

产品控制台

产品文档

实时同步

MySQL 到 Hologres

Kafka 到 Hologres

功能对比

开源Flink对比

成本优化

作业自动调优